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Dermoscopy

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https://www.readbyqxmd.com/read/28543606/reflectance-confocal-microscopy-analysis-of-equivocal-melanocytic-lesions-with-severe-regression
#1
M Agozzino, A Ferrari, C Cota, C Franceschini, P Buccini, L Eibenshutz, M Ardigò
BACKGROUND: The differential diagnosis between regressing nevi and melanoma might be challenging; regressing areas can represent a confounding factor for the diagnosis and the histology still remain mandatory to rule out melanoma. Reflectance confocal microscopy may add valuable information by revealing features suggestive of the nature of the melanocytic proliferation. OBJECTIVE: To assess the impact of confocal microscopy in the management of regressive melanocytic lesions...
May 21, 2017: Skin Research and Technology
https://www.readbyqxmd.com/read/28542660/-trichomycosis-trichobacteriosis-capitis-in-an-infant-microbiological-dermoscopic-and-ultrastructural-features
#2
Alexandro Bonifaz, Ixchel Ramírez-Ricarte, Alejandra Rodríguez-Leviz, Marco A Hernández, Carlos Mena, Adriana Valencia
Trichomycosis is a superficial infection caused by Corynebacterium flavescens, which regularly affects axillary, and to a a lesser extent, pubic, scrotal and intergluteal, and exceptionally, head hairs or trichomycosis capitis (TC). This condition is characterised by the formation of bacterial nodules. Clinically, it can be confused with white piedra or pediculosis. The diagnosis is made by microscopic and dermoscopic observation and confirmed by culture. OBJECTIVE: To present a case of TC in an infant and illustrate the microscopic, dermoscopic, and ultrastructural characteristics...
April 2017: Revista Chilena de Pediatría
https://www.readbyqxmd.com/read/28541884/an-incomplete-picture-challenges-of-partial-biopsies-in-large-diameter-atypical-melanocytic-lesions
#3
Lauren C Strazzulla, Hong Wu, Marissa Heller, Caroline C Kim
Large diameter atypical pigmented lesions (LDAPL) can be challenging to diagnose accurately using partial biopsies because of pathologic heterogeneity, while at the same time large excisions of these lesions confer significant morbidity to patients. Consequently, clinicians are often challenged by the management of these lesions. In this case, we describe an elderly patient with a history of multiple basal cell carcinomas, prior melanomas, and a family history of melanoma who presented with an irregularly pigmented brown and dark brown patch on his upper back...
April 15, 2017: Dermatology Online Journal
https://www.readbyqxmd.com/read/28538891/hidroacanthoma-simplex-dermoscopy-and-cryosurgery-treatment
#4
Karina Colossi Furlan, Priscila Kakizaki, Juliana Cabral Nunes Chartuni, José Alexandre Sittart, Neusa Yuriko Sakai Valente
Hidroacanthoma simplex is a rare intraepidermal neoplasia that arises from the acrosyringial portion of the eccrine duct. Malignant transformation of hidroacanthoma simplex is reported in the literature and the treatment is performed with wide excision or Mohs micrographic surgery. We report the first case successfully treated with cryosurgery with a long-term follow up.
March 2017: Anais Brasileiros de Dermatologia
https://www.readbyqxmd.com/read/28537867/basaloid-follicular-hamartoma-clinical-dermoscopic-and-histopathological-characteristics-of-case
#5
Ellie Choi, May Liau, Jingxiang Huang, Kong Bing Tan, Derrick Aw
Basaloid follicular hamartoma (BFH) is a rare benign adnexal tumor with variable clinical presentation. We report a case of a 64-year-old man, who presented with an incidental finding of a 3mm hyperpigmented macule on his cheek. Dermoscopy revealed a structureless blue lesion. Histopathology examination showed interconnecting lobules and cords of bland pigmented epithelial cells within the dermal stroma, with the presence of pseudohorncysts. The lesional cells were faintly positive for Bcl2on immunohistochemical staining...
May 15, 2017: Dermatology Online Journal
https://www.readbyqxmd.com/read/28528735/analysis-of-trichoscopic-signs-observed-in-24-patients-presenting-tinea-capitis-hypotheses-based-on-physiopathology-and-proposed-new-classification
#6
Y Bourezane, Y Bourezane
INTRODUCTION: Trichoscopy (hair dermoscopy) is a non-invasive and very useful technique for the diagnosis and follow-up of hair and scalp disorders. In tinea capitis, specific aspects of the hair shaft have been described, with the main ones being: comma hair, corkscrew hair, bar code-like hair (BCH) and zigzag hair (ZZH). METHOD: Herein we report on a retrospective study of 24 patients with tinea capitis (TC). All patients underwent trichoscopic examination and mycological culture...
May 18, 2017: Annales de Dermatologie et de Vénéréologie
https://www.readbyqxmd.com/read/28528541/melanoma-frequency-among-symmetrical-spitzoid-looking-lesions-a-retrospective-study
#7
Claudia Costa, Matteo Megna, Milena Cappello, Maddalena Napolitano, Giuseppe Monfrecola, Massimiliano Scalvenzi
BACKGROUND: Many efforts have been spent attempting to define clinical, histopathological and molecular markers for differential diagnosis of Spitz nevus and melanoma. Dermoscopy has been widely used but it may be not always sufficient. METHODS: A retrospective study was performed evaluating Spitzoid-looking lesions showing symmetry at clinical and dermoscopic examination in patients ≥ 12 years attending our Clinic from 2004 to 2014. Demographic, clinical and dermoscopic data were assessed for each lesion in order to highlight the most common characteristics which could help the differential diagnosis between Spitz nevus and melanoma when clinical or dermoscopic asymmetry is lacking...
May 16, 2017: Giornale Italiano di Dermatologia e Venereologia: Organo Ufficiale, Società Italiana di Dermatologia e Sifilografia
https://www.readbyqxmd.com/read/28528395/enhancing-hair-growth-in-male-androgenetic-alopecia-by-a-combination-of-fractional-co2-laser-therapy-and-hair-growth-factors
#8
Yue Huang, Fenglin Zhuo, Linfeng Li
Laser therapy and growth factors have been used as alternative treatments for male androgenetic alopecia (MAA). The aim of this study is to determine the efficacy and safety of hair growth factors alone or combined with ablative carbon dioxide (CO2) fractional laser therapy in MAA. Twenty-eight men were enrolled in this randomized half-split study based on a left-head to right-head pattern. Fractional CO2 laser treatment was unilaterally performed; hair growth factors were bilaterally applied. Six sessions with 2-week intervals were performed...
May 21, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28523836/a-case-series-of-verrucae-vulgares-mimicking-hyperkeratosis-in-individuals-with-diabetic-foot-ulcers
#9
D R Quast, M A Nauck, F G Bechara, J J Meier
BACKGROUND: Diabetic foot ulcers are a common complication in the advanced stages of diabetes mellitus. Certain lesions may be refractory to usual treatments with prolonged healing. In these cases, differential diagnoses to classical ulcers should be considered. Although plantar warts are a common and easy-to-diagnose finding in the general population, diagnosis can be challenging in people with diabetic foot ulcers, as they mimic hyperkeratosis in these people. CASE REPORT: We report seven cases of people with diabetic foot ulcers and verrucae vulgares mimicking treatment-refractory hyperkeratosis, presenting to our centre between 2014 and 2016...
May 19, 2017: Diabetic Medicine: a Journal of the British Diabetic Association
https://www.readbyqxmd.com/read/28523295/clinical-histological-and-therapeutic-features-of-bowen-s-disease
#10
Tiberiu Paul Neagu, Mirela Ţigliş, Delia Botezatu, Valentin Enache, Claudia Oana Cobilinschi, Mureş Sebastian Vâlcea-Precup, Ioana Marina GrinŢescu
Squamous cell carcinoma (SCC) in situ or Bowen's disease (BD) is a slowly progressive malignancy. However, cases of regression have been reported. Recent reviews cover only certain aspects of this disease; therefore, this paper's aim is to cover all the relevant aspects for medical practice, such as clinical, histological and therapeutic details. BD may affect all regions of the skin and mucosa, but in accordance with the region and etiologic factor, it may embrace different clinical forms, some of them very similar with other skin lesions...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/28515998/dermoscopy-of-histoid-leprosy-a-case-report
#11
Balachandra S Ankad, Punit S Sakhare
No abstract text is available yet for this article.
April 2017: Dermatology Practical & Conceptual
https://www.readbyqxmd.com/read/28515996/dermoscopy-of-alopecia-areata-a-retrospective-analysis
#12
Abhijeet K Jha, Uday K Udayan, P K Roy, Amar K J Amar, R K P Chaudhary
BACKGROUND: Dermoscopy devices can overcome the refractive properties of stratum corneum by interface medium or cross polarization such that the lesion can be easily seen. AIM: To examine the dermoscopic feature in alopecia areata and correlate the severity of disease with dermoscopic features. MATERIALS AND METHODS: Retrospective analysis of 72 patients suffering from alopecia areata (AA), irrespective of age and sex, who visited the dermatology outpatient department of a tertiary care center in Eastern India was carried out...
April 2017: Dermatology Practical & Conceptual
https://www.readbyqxmd.com/read/28515995/dermoscopy-and-reflectance-confocal-microscopy-in-pedunculated-basal-cell-carcinoma
#13
Seda Yildiz, Isil Karaarslan, Banu Yaman, Fezal Ozdemir
There have been limited cases of pedunculated basal cell carcinoma (BCC) reported in the literature. The dermoscopic features were described in only one of them. However, not one of them described the confocal microscopy features. In this report we presented a case of pedunculated basal cell carcinoma (BCC) with dermoscopic and reflectance confocal microscopy features.
April 2017: Dermatology Practical & Conceptual
https://www.readbyqxmd.com/read/28515993/triage-amalgamated-dermoscopic-algorithm-tada-for-skin-cancer-screening
#14
Tova Rogers, Maria Marino, Stephen W Dusza, Shirin Bajaj, Michael A Marchetti, Ashfaq Marghoob
IMPORTANCE: Dermoscopic triage algorithms have been shown to improve beginners' abilities for identifying pigmented skin lesions requiring biopsy. OBJECTIVE: To estimate the diagnostic accuracy of the Triage Amalgamated Dermoscopic Algorithm (TADA) for pigmented and nonpigmented skin cancers. Secondarily, to compare TADAs performance to those of existing triage algorithms for the identification of pigmented skin cancers. DESIGN: Cross-sectional, observational, reader study that took place at a beginner and intermediate level dermoscopy course...
April 2017: Dermatology Practical & Conceptual
https://www.readbyqxmd.com/read/28515992/dermoscopy-of-cutaneous-lymphangioma-circumscriptum
#15
Abhijeet K Jha, Aimilios Lallas, Sidharth Sonthalia
Lymphangiomas are congenital lymphatic malformations. They are clinically characterized by clusters of translucent vesicles, and on dermoscopy, yellow lacunae surrounded by pale septa as well as reddish to bluish lacunae have been described. A young male presented with a seven-year history of a vesicular lesion. Dermoscopy revealed multiple white-yellowish well-circumscribed roundish areas (lacunae) surrounded by pale septa. A few lacunae contained blood, which was characteristically accumulated in the lowest part of the lacuna, resulting in an appearance similar to the so-called "hypopyon" of the eye...
April 2017: Dermatology Practical & Conceptual
https://www.readbyqxmd.com/read/28515991/non-follicular-milky-globules-dermoscopy-saves-the-day
#16
Abhijeet K Jha, Sidharth Sonthalia, Aimilios Lallas
Acute generalized exanthematous pustulosis (AGEP) is a rare severe cutaneous adverse reaction caused mostly by medication. Early diagnosis is important as initiation of supportive treatment and avoidance of drug is of prime importance. A young male presented with an erythematous rash after taking diclofenac for pain. Polarized dermoscopy revealed milky globules on a uniform reddish background sparing the follicles, which confirmed the diagnosis of AGEP.
April 2017: Dermatology Practical & Conceptual
https://www.readbyqxmd.com/read/28515987/the-need-for-improved-dermoscopy-training-in-residency-a-survey-of-us-dermatology-residents-and-program-directors
#17
Parth Patel, Sarika Khanna, Beth McLellan, Karthik Krishnamurthy
BACKGROUND: Inadequate dermoscopy training represents a major barrier to proper dermoscopy use. OBJECTIVE: To better understand the status of dermoscopy training in US residency programs. METHODS: A survey was sent to 417 dermatology residents and 118 program directors of dermatology residency programs. RESULTS: Comparing different training times for the same training type, residents with 1-10 hours of dedicated training had similar confidence using dermoscopy in general (p = 1...
April 2017: Dermatology Practical & Conceptual
https://www.readbyqxmd.com/read/28515986/use-of-and-intentions-to-use-dermoscopy-among-physicians-in-the-united-states
#18
Jeffrey B Morris, Sara V Alfonso, Nilda Hernandez, M Isabel Fernández
BACKGROUND: Dermatologists routinely use dermoscopy to improve diagnostic accuracy of skin cancers. Much less is known about its use among other physicians who routinely examine the skin, such as family physicians, internists and plastic surgeons. OBJECTIVES: To document the use of dermoscopy in a sample of US physicians and to examine physician and practice characteristics associated with ever having used a dermascope and having some intentions to incorporate dermoscopy into clinical practice during the next 12 months...
April 2017: Dermatology Practical & Conceptual
https://www.readbyqxmd.com/read/28512666/diagnostic-efficacy-of-digital-dermoscopy-and-clinical-findings-in-thin-melanoma-of-the-lower-limbs
#19
Emi Dika, Marco Adriano Chessa, Simone Ribero, Pier A Fanti, Carlotta Gurioli, Martina Lambertini, Carlotta Baraldi, Annalisa Patrizi
The introduction of dermoscopy has improved the accuracy of diagnosis of melanoma. However, early stage melanoma can be difficult to diagnose. Eighty-nine cases of thin melanoma with a Breslow thickness ≤1 mm located on the lower limb and diagnosed between 2008 and 2016 were assessed using 4 dermoscopic algorithms: (i) modified pattern analysis; (ii) ABCD rule of dermoscopy; (iii) 7-point checklist; and (iv) Menzies' method. Two groups of early stage melanomas of the legs were identified: "difficult to diagnose melanomas" (DDM) and "non-difficult to diagnose melanomas" (NDDM)...
May 17, 2017: Acta Dermato-venereologica
https://www.readbyqxmd.com/read/28512610/melanoma-is-skin-deep-a-3d-reconstruction-technique-for-computerized-dermoscopic-skin-lesion-classification
#20
T Y Satheesha, D Satyanarayana, M N Giri Prasad, Kashyap D Dhruve
Melanoma mortality rates are the highest amongst skin cancer patients. Melanoma is life threating when it grows beyond the dermis of the skin. Hence, depth is an important factor to diagnose melanoma. This paper introduces a non-invasive computerized dermoscopy system that considers the estimated depth of skin lesions for diagnosis. A 3-D skin lesion reconstruction technique using the estimated depth obtained from regular dermoscopic images is presented. On basis of the 3-D reconstruction, depth and 3-D shape features are extracted...
2017: IEEE Journal of Translational Engineering in Health and Medicine
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